Tutorials in weeks 3-13 are in classrooms.  
Tutorial details

The main exercises (including those marked ** as difficult) are to be completed prior to your tutorial, and will be discussed in the tutorial. No other solution will be available. 
The ** questions and "extra exercises", selected from the text book, will have solutions posted the following week. 
Additional recommended revision exercises from the text have check answers in the back of the text book. These are listed on the Lectures page.